Maintain and implore potential customers in assigned application field or area.
维护老客户,在分配的应用领域或者区域开发新客户。
It identifies the message and contains control information, such as the type of message and its priority as assigned by the sending application.
它标识消息且包含控制信息,比如消息类型和由发送应用程序分配的优先级。
The system sets permissions for all the files in an application so that only the user ID assigned to that application can access them.
应用中的所有文件访问许可都被系统设置了此ID,因此,只有被分配了该用户ID的应用可以访问这些文件。
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